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Medical Forum / General / Nutrition / September 2004

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Proof Please

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Rusty - 10 Sep 2004 02:49 GMT
Can anyone site studies etc. the show what happens to excess protein,
carbs and fat in my diet? I've read so many different things, a clinical
study would be helpful.
Susan - 10 Sep 2004 03:01 GMT
>Can anyone site studies etc. the show what happens to excess protein,
>carbs and fat in my diet? I've read so many different things, a clinical
>study would be helpful.

Not to put too fine a point on it, but eat excess protein, carbs and fat, and
they end up on your gut, butt, and thighs.

Susan
Jay Tanzman - 10 Sep 2004 05:25 GMT
> x-no-archive: yes
>
[quoted text clipped - 4 lines]
> Not to put too fine a point on it, but eat excess protein, carbs and fat, and
> they end up on your gut, butt, and thighs.

OMG, I finally agree with something Susan has written.

To the original poster: You won't find any clinical studies on your question
because it is too basic a question.  To a first approximation, Susan is right,
 regardless of the macronutrient composition of the diet, calories consumed
in excess of the body's caloric requirements will be stored as fat.  You can
confirm this in the "Energy" chapter of any basic nutrition textbook.

-Jay
Susan - 10 Sep 2004 17:41 GMT
>OMG, I finally agree with something Susan has written.

So, you finally got something right.  ;-P

>To the original poster: You won't find any clinical studies on your question
>because it is too basic a question.  To a first approximation, Susan is
[quoted text clipped - 4 lines]
>
>-Jay

"Too much" is too much.  

Susan
sTeve - 10 Sep 2004 21:00 GMT
>Can anyone site studies etc. the show what happens to excess protein,
>carbs and fat in my diet? I've read so many different things, a clinical
>study would be helpful.

There is no proof.  Common sense says so.

Not everything you eat is absorbed. From what is absorbed, not
everything is burned for energy.  Our bodies do not obey the laws of
thermodynamics in the classical sense. Our bodies are much more
complex than a simple measurement of energy in = energy out + storage.

Furthermore, there are numerous kinds of protein molecules,
carbohydrate molecules and fat molecules. Depending on your genetic
heritage, your body will meet and make decisions about these molecules
differently from another person with different genetics.

Therefore, there will never be a clinical study to answer your
question unless it is perfomed on you using a molecule by molecule
analysis.

This, in part, explains why you have read so much conflicting
information.

:-) Steve
Jay Tanzman - 10 Sep 2004 22:11 GMT
>>Can anyone site studies etc. the show what happens to excess protein,
>>carbs and fat in my diet? I've read so many different things, a clinical
[quoted text clipped - 3 lines]
>
> Not everything you eat is absorbed.

Then, for all intents and purposes, it isn't eaten.

> From what is absorbed, not
> everything is burned for energy.

But what isn't burned isn't counted as energy intake in the first place.

> Our bodies do not obey the laws of
> thermodynamics in the classical sense.

Everything obeys the laws of thermodynamics.

> Our bodies are much more
> complex than a simple measurement of energy in = energy out + storage.

Nope.  The First Law of Thermodynamics can't be broken.

> Furthermore, there are numerous kinds of protein molecules,
> carbohydrate molecules and fat molecules. Depending on your genetic
> heritage, your body will meet and make decisions about these molecules
> differently from another person with different genetics.

Nonsense.  Every macronutrient molecule gets burned eventually, except for the
relatively few you die with.

> This, in part, explains why you have read so much conflicting
> information.

If by "this" you mean your post, then you are correct.

-Jay
 
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